Fix SampleApp ANGLE mode.
Review URL: https://codereview.appspot.com/7206052

git-svn-id: http://skia.googlecode.com/svn/trunk@7377 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleApp.h b/samplecode/SampleApp.h
index e062e21..99eb54f 100644
--- a/samplecode/SampleApp.h
+++ b/samplecode/SampleApp.h
@@ -41,6 +41,21 @@
 
         kDeviceTypeCnt
     };
+
+    static bool IsGpuDeviceType(DeviceType devType) {
+    #if SK_SUPPORT_GPU
+        switch (devType) {
+            case kGPU_DeviceType:
+    #if SK_ANGLE
+            case kANGLE_DeviceType:
+    #endif // SK_ANGLE
+            case kNullGPU_DeviceType:
+                return true;
+        }
+    #endif // SK_SUPPORT_GPU
+        return false;
+    }
+
     /**
      * SampleApp ports can subclass this manager class if they want to:
      *      * filter the types of devices supported